This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Hi Joseph, > > I have a couple of questions regarding the manipulation of data in IDV: > > > > 1. I want to derive grid data for locations similar to those of my > > observation data. I know how to do this if the obseravtional data is in > > netCDF, but is it also possible when it is in GIS (shapefile) format? In > > other words, is there a way to get the grid information for the areas > > overlapping with my shapefile programetically from within Jython for > > example? > > > > 2. If so, is there a way to specify the number of pixels/grids or > > neighboring pixels which should be retrieved for the same location? > > > > 3. If there are missing values in a grid data, is it possible to assign > > the values of neighboring pixels, or defining a spatial offset to > > include grid cells that surround those with missing values closest to my > > location? > > Are you talking about taking the points or polygons defined by a shape file and using them to sample an existing grid? I'm sure that it is possible but am unsure as to the difficulty. My colleague Don is away for a few days but when he comes back he could give a more educated response. -Jeff Ticket Details =================== Ticket ID: TJM-446577 Department: Support IDV Priority: Normal Status: Open